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B.11
Calculated Reference Range
HCO
3
-
: 22-26 mmol/L (arterial)
1
; 21-28 mmol/L (venous)
3
TCO
2
: 19-24 mmol/L (arterial)
1
; 22-29 mmol/L (venous)
3
BE: (-2) - (+3) mmol/L (arterial or venous)
1
O
2
Sat: 94-98% (arterial)
1
; 60-85% (venous)
2
tHb: 11.0-14.5 g/dL or 6.9-9.1 mmol/L (2-9 years)
1
12.0-15.0 g/dL or 7.5-9.4 mmol/L (9-12 years)
1
11.7-17.4 g/dL or 7.4-10.9 mmol/L (12-74 years, male)
1
11.5-16.1 g/dL or 7.2-10.1 mmol/L (12-74 years, female)
1
MDRD GFR
4
: Age (Years): Average GFR
20-29 : 116 mL/min/1.73 m
2
30-39 : 107 mL/min/1.73 m
2
40-49 : 99 mL/min/1.73 m
2
50-59 : 93 mL/min/1.73 m
2
60-69 : 85 mL/min/1.73 m
2
70+ : 75 mL/min/1.73 m
2
REFERENCES
1. Tietz NW, Clinical Guide to Laboratory Tests, 4th ed., 1995.
2. Wallach J, Interpretation of Diagnostic Tests - A Handbook Synopsis of
Laboratory Medicine, 3rd ed., 1978.
3. Tietz NW, Fundamentals of Clinical Chemistry
, 5th ed., 2001.
4. Coresh J, Astor B, Greene T, Eknoyan G, Levey A, Prevalence of chronic
kidney disease and decreased kidney function in the adult US population:
Third national health and nutrition examination survey. Am J of Kidney
Disease, 41 (1) 1-12.